14979906890 has 64 divisors (see below), whose sum is σ = 29243047680. Its totient is φ = 5492136960.

The previous prime is 14979906889. The next prime is 14979906901. The reversal of 14979906890 is 9860997941.

It is a happy number.

It is a super-2 number, since 2×14979906890² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20270141 + ... + 20270879.

It is an arithmetic number, because the mean of its divisors is an integer number (456922620).

Almost surely, 2^14979906890 is an apocalyptic number.

14979906890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14979906890 is a deficient number, since it is larger than the sum of its proper divisors (14263140790).

14979906890 is a wasteful number, since it uses less digits than its factorization.

14979906890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647.

The product of its (nonzero) digits is 8817984, while the sum is 62.

The spelling of 14979906890 in words is "fourteen billion, nine hundred seventy-nine million, nine hundred six thousand, eight hundred ninety".